The groundwater observation well is the basic facility to grasp the groundwater regime, and to appraise and study the groundwater resources.

地下水观测井网是掌握地下水动态，评价与研究地下水资源的基础设施。

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The groundwater observation well-network for earthquake prediction in China is the largest precursory observation system except the seismograph array.

中国地震地下水动态观测网是我国仅次于测震网的第二大地震前兆观测系统。

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By combining the theoretical analysis and test, the monitoring method of observation well, by which the volume shrinkage deformation of the cavity can be derived, is provided and verified.

结合理论分析和试验的方法，验证利用观察井监测腔体蠕变收缩体积这种方法的合理性。

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Well, I mentioned that this was just sort of a more modern observation of one that had been made in the past.

我提到过这只是过去所做的观察里,较为先进的一个

耶鲁公开课 - 生物医学工程探索课程节选

Everything from the main hall to the observation bar, as well as many of the ballrooms (now used for private parties), are restored to their original glory.

BBC: A ghostly visit on the RMS Queen Mary hotel

To make this transition will require greater scientific research and cooperation, as well as observation and monitoring systems, including early warning systems, to gain a better understanding of this complex system.

UNESCO: THEMES

This observation is consistent with a well-documented cognitive bias known as anchoring and adjustment.

FORBES: Momentum Travels